> cat simple-req.scm
(import (chicken io) (intarweb) (http-client))
(let ((req (make-request uri: "https://google.com")))
  (with-input-from-request req #f read-string))

> chicken-csi -s simple-req.scm

Error: (call-with-input-request) The first argument must be either an uri-common object, an intarweb request object, or an URI string
#<intarweb#request>
#f
#<procedure (f6040 p10826038 r10836039)>

        Call history:

        <syntax>          (##core#begin (with-input-from-request req #f read-string))
        simple-req.scm:3          (with-input-from-request req #f read-string)
        simple-req.scm:2          (make-request #:uri "https://google.com")
        simple-req.scm:2          (make-request #:uri "https://google.com")
        simple-req.scm:3          (with-input-from-request req #f read-string)
        http-client.scm:903: call-with-input-request*     
        http-client.scm:803: uri-common#uri-reference?    
        http-client.scm:805: intarweb#request?    
        http-client.scm:805: intarweb#request-uri         
        http-client.scm:807: uri-common#uri?      
        http-client.scm:810: uri-common#uri-reference?    
        http-client.scm:808: http-client-error    
        http-client.scm:344: chicken.condition#make-property-condition    
        http-client.scm:345: chicken.condition#make-property-condition    
        http-client.scm:343: chicken.condition#make-composite-condition   
        http-client.scm:343: srfi-18#raise              <--